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New Frequently Asked Questions on Honeybee Toxicity Testing for Registrants and Contract Laboratories

The Environmental Protection Agency has posted new frequently asked questions for registrants and contract laboratories conducting honeybee toxicity testing. These FAQs are made up of responses to inquiries EPA commonly receives about protocols used to generate honeybee toxicity data for submission in support of pesticide registration. Additionally, these FAQs are meant to complement the Agency’s existing Pollinator Risk Assessment Guidance and increase the transparency and clarity of the risk assessment process.

EPA encourages the regulated community to submit questions not found in the FAQs or risk assessment guidance to opppollinatortesting@epa.gov.

EPA Opens Public Comment Period on the First of Four Preliminary Risk Assessments for Insecticides Potentially Harmful to Bees

The U.S. Environmental Protection Agency (EPA) has opened the 60-day public comment period for its preliminary pollinator risk assessment for imidacloprid, a neonicotinoid insecticide, in a Federal Register notice published today. After the comment period ends, the EPA may revise the pollinator assessment based on comments received and, if necessary, take action to reduce risks from the insecticide.

The preliminary risk assessment identified a residue level for imidacloprid of 25 ppb, above which effects on pollinator hives are likely to be seen and below which effects are unlikely. These effects may include reduction in numbers of pollinators as well as the amount of honey produced. Continue reading

EPA Releases the First of Four Preliminary Risk Assessments for Insecticides Potentially Harmful to Bees

The U.S. Environmental Protection Agency (EPA) has announced a preliminary pollinator risk assessment for the neonicotinoid insecticide, imidacloprid, which shows a threat to some pollinators. EPA’s assessment, prepared in collaboration with California’s Department of Pesticide Regulation, indicates that imidacloprid potentially poses risk to hives when the pesticide comes in contact with certain crops that attract pollinators.

“Delivering on the President’s National Pollinator Strategy means EPA is committed not only to protecting bees and reversing bee loss, but for the first time assessing the health of the colony for the neonicotinoid pesticides,” said Jim Jones Assistant Administrator of the Office of Chemical Safety and Pollution Prevention. “Using science as our guide, this preliminary assessment reflects our collaboration with the State of California and Canada to assess the results of the most recent testing required by EPA.” Continue reading